CN115261151B - Cleaning and protecting agent and application thereof in preparing touch screen - Google Patents
Cleaning and protecting agent and application thereof in preparing touch screen Download PDFInfo
- Publication number
- CN115261151B CN115261151B CN202210914194.0A CN202210914194A CN115261151B CN 115261151 B CN115261151 B CN 115261151B CN 202210914194 A CN202210914194 A CN 202210914194A CN 115261151 B CN115261151 B CN 115261151B
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- CN
- China
- Prior art keywords
- cleaning
- touch screen
- solution
- deionized water
- tank
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- 238000004140 cleaning Methods 0.000 title claims abstract description 128
- 239000012459 cleaning agent Substances 0.000 title claims abstract description 31
- 239000003223 protective agent Substances 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000000839 emulsion Substances 0.000 claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 27
- 229920000642 polymer Polymers 0.000 claims abstract description 27
- 238000001179 sorption measurement Methods 0.000 claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 12
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 12
- 239000003945 anionic surfactant Substances 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 75
- 239000008367 deionised water Substances 0.000 claims description 44
- 229910021641 deionized water Inorganic materials 0.000 claims description 44
- -1 unsaturated fatty acid sucrose ester Chemical class 0.000 claims description 40
- 238000006243 chemical reaction Methods 0.000 claims description 39
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 36
- 229920001661 Chitosan Polymers 0.000 claims description 35
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims description 32
- 229930006000 Sucrose Natural products 0.000 claims description 30
- 239000005720 sucrose Substances 0.000 claims description 30
- 238000002791 soaking Methods 0.000 claims description 29
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 28
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 27
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 27
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 27
- 238000002360 preparation method Methods 0.000 claims description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 24
- 229920002545 silicone oil Polymers 0.000 claims description 21
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 21
- 229920002554 vinyl polymer Polymers 0.000 claims description 21
- 239000012966 redox initiator Substances 0.000 claims description 19
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- 239000003999 initiator Substances 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 15
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 14
- 235000019830 sodium polyphosphate Nutrition 0.000 claims description 14
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 claims description 12
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 11
- 239000003995 emulsifying agent Substances 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 10
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical group C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- GGSUCNLOZRCGPQ-UHFFFAOYSA-N diethylaniline Chemical compound CCN(CC)C1=CC=CC=C1 GGSUCNLOZRCGPQ-UHFFFAOYSA-N 0.000 claims description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical group [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 230000001804 emulsifying effect Effects 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- HKVFISRIUUGTIB-UHFFFAOYSA-O azanium;cerium;nitrate Chemical compound [NH4+].[Ce].[O-][N+]([O-])=O HKVFISRIUUGTIB-UHFFFAOYSA-O 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 4
- LVGKNOAMLMIIKO-UHFFFAOYSA-N Elaidinsaeure-aethylester Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC LVGKNOAMLMIIKO-UHFFFAOYSA-N 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- JYYFMIOPGOFNPK-AGRJPVHOSA-N ethyl linolenate Chemical compound CCOC(=O)CCCCCCC\C=C/C\C=C/C\C=C/CC JYYFMIOPGOFNPK-AGRJPVHOSA-N 0.000 claims description 3
- 229940090028 ethyl linolenate Drugs 0.000 claims description 3
- JYYFMIOPGOFNPK-UHFFFAOYSA-N ethyl linolenate Natural products CCOC(=O)CCCCCCCC=CCC=CCC=CCC JYYFMIOPGOFNPK-UHFFFAOYSA-N 0.000 claims description 3
- LVGKNOAMLMIIKO-QXMHVHEDSA-N ethyl oleate Chemical group CCCCCCCC\C=C/CCCCCCCC(=O)OCC LVGKNOAMLMIIKO-QXMHVHEDSA-N 0.000 claims description 3
- 229940093471 ethyl oleate Drugs 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- FMMOOAYVCKXGMF-MURFETPASA-N ethyl linoleate Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(=O)OCC FMMOOAYVCKXGMF-MURFETPASA-N 0.000 claims description 2
- 229940031016 ethyl linoleate Drugs 0.000 claims description 2
- FMMOOAYVCKXGMF-UHFFFAOYSA-N linoleic acid ethyl ester Natural products CCCCCC=CCC=CCCCCCCCC(=O)OCC FMMOOAYVCKXGMF-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 239000011241 protective layer Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 47
- XMPZTFVPEKAKFH-UHFFFAOYSA-P ceric ammonium nitrate Chemical compound [NH4+].[NH4+].[Ce+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O XMPZTFVPEKAKFH-UHFFFAOYSA-P 0.000 description 14
- 239000000047 product Substances 0.000 description 13
- 239000010410 layer Substances 0.000 description 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical group CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 235000019441 ethanol Nutrition 0.000 description 6
- 238000005530 etching Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical group COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical group [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 238000001291 vacuum drying Methods 0.000 description 4
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- 125000005233 alkylalcohol group Chemical group 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000007863 gel particle Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 150000003445 sucroses Chemical class 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/04—Carboxylic acids or salts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/37—Mixtures of compounds all of which are anionic
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/10—Carbonates ; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
- C11D3/227—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin with nitrogen-containing groups
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Emergency Medicine (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a cleaning and protecting agent and application thereof in preparing a touch screen, wherein the cleaning and protecting agent comprises a cleaning component and a protecting component which are used separately, the cleaning component is adopted for cleaning, and the protecting component is adopted for surface protection treatment after the cleaning is finished; the cleaning component comprises 3-5 parts of sodium silicate, 5-10 parts of adsorption particles, 0.6-1.2 parts of anionic surfactant and 30-60 parts of water; the protective component is high molecular polymer emulsion. The cleaning protective agent provided by the invention not only can effectively improve the cleaning effect and prevent the occurrence of the white streak phenomenon, but also can form a protective layer on the surface of the touch screen so as to prevent the touch screen from being influenced by external components.
Description
Technical Field
The invention belongs to the technical field of cleaning, and particularly relates to a cleaning and protecting agent and application thereof in preparing a touch screen.
Background
A touch screen (touch screen) is also called a "touch screen" and a "touch panel", and is an inductive liquid crystal display device capable of receiving input signals such as contacts. With the increasing of multimedia information inquiry equipment, the application range of the touch screen is wider and wider, and the touch screen is not only suitable for multimedia information inquiry, but also has the advantages of firmness, durability, high reaction speed, space saving, easy communication and the like.
The cleaning process is an indispensable process in the production process of the touch screen product, and the cleaning effect is very important to the influence on the quality, the precision, the appearance and the like of the touch screen product. In the production process of touch screen products, a plurality of cleaning processes are often required to meet the requirement of surface cleanliness.
In the production process of the touch screen, after ITO is etched on ITO glass raw materials by adopting printing etching paste (acid), etching residues are generally cleaned by adopting a cleaning agent, and then protective glue (generally esters and acid) is printed, so that a product can be formed. However, the problem that is currently common is that after the product has been left for a period of time, the resist is torn off, the SiO in the etched areas 2 The surface of an etched circuit on the layer is whitened (commonly called white strips), and the longer the product is placed, the more obvious the white strips are (the number of the white strips is increased and the whitening color is deepened), so that the cleanliness, quality (qualification rate) and preservation of the product are seriously affected. And the existing cleaning agent is generally strong in alkalinity, is easy to corrode products, and is not environment-friendly.
In summary, how to provide a cleaning and protecting agent, which not only can effectively clean a touch screen, but also can form a protecting layer on the surface of the touch screen when applied to the preparation of the touch screen, is a problem to be solved urgently at present.
Disclosure of Invention
The invention aims to solve the technical problems and provide a cleaning and protecting agent which comprises a cleaning component and a protecting component, wherein the cleaning component is firstly adopted for cleaning, and the protecting component is adopted for surface protection treatment after the cleaning is finished, so that the cleaning effect can be effectively improved, the occurrence of a white strip phenomenon can be prevented, and a protecting layer can be formed on the surface of a touch screen to prevent the touch screen from being influenced by external components.
The invention realizes the above purpose through the following technical scheme:
a cleaning and protecting agent comprises a cleaning component and a protecting component, wherein the volume ratio is 1: (0.6-1), the two are used separately, cleaning is carried out by adopting a cleaning component, and then surface protection treatment is carried out by adopting a protection component after the cleaning is finished; the cleaning component comprises 3-5 parts of sodium silicate, 5-10 parts of adsorption particles, 0.6-1.2 parts of anionic surfactant and 30-60 parts of water; the protective component is high molecular polymer emulsion.
The anionic surfactant is fatty acid salt, anionic polyacrylamide or alkyl alcohol polyoxyethylene ether.
The invention also provides adsorption particles used in the cleaning and protecting agent, and the preparation method of the adsorption particles comprises the following steps:
(1) Dissolving chitosan (according to 0.8-1 g/100 mL) in acetic acid solution (volume fraction is 2%), adding ceric ammonium nitrate solution (1 mmol/L) under the conditions of 80-90 ℃ and nitrogen introduction and stirring, then slowly dripping maleic anhydride into the reaction vessel after dissolving maleic anhydride with acetone, stirring for 2-4 h, removing impurities (regulating pH value to 9 by 10% sodium hydroxide solution to enable precipitation to be complete, filtering, washing by acetone and ethanol, extracting by acetone after vacuum drying at 40 ℃, and vacuum drying) to obtain maleic anhydride grafted chitosan;
(2) Dropwise adding a mixed solution of deionized water, unsaturated polyoxyethylene ether and an initiator into the maleic anhydride grafted chitosan obtained in the step (1), and stirring for reacting for 4-6 h;
(3) Soaking diatomite in a sodium polyphosphate water solution for 10-20 min, filtering to obtain pretreated diatomite, regulating the pH value of the reaction solution obtained in the step (2) to 5-6, slowly adding the pretreated diatomite, standing for 30-60 min after adding, filtering, washing with clear water, and drying to obtain the adsorption particles.
Further, the molar ratio of chitosan, maleic anhydride and unsaturated polyoxyethylene ether (the unsaturated polyoxyethylene ether is allyl polyoxyethylene ether, isopentenyl polyoxyethylene ether or methyl alkenyl polyoxyethylene ether, and the number average molecular weight of the unsaturated polyoxyethylene ether is 400-1600) is 1: (1.4-2.4): (1-1.5), wherein the addition amount of the ammonium cerium nitrate solution (calculated by ammonium cerium nitrate) is 5-10% of chitosan.
Further, in the step (2), the addition amount of deionized water is 40-80 times of that of maleic anhydride grafted chitosan, the initiator is ammonium persulfate, potassium persulfate or sodium persulfate, and the addition amount of the initiator is 0.08-0.2% of that of unsaturated polyoxyethylene ether; in the step (3), the concentration of the sodium polyphosphate aqueous solution is 1-2 mg/mL, the pH value is 7-8, and the mass ratio of the diatomite, the sodium polyphosphate aqueous solution and the reaction solution obtained in the step (2) is 1: (0.8-2): (4-10).
The invention also provides a high molecular polymer emulsion used in the cleaning and protecting agent, and the preparation method of the high molecular polymer emulsion comprises the following steps:
s1, dissolving sucrose in a solvent, adding unsaturated fatty acid ethyl ester and a catalyst, and heating under reduced pressure (110 ℃ C., 1X 10) 4 Pa), reacting for 4-6 h (simultaneously distilling off ethanol, removing impurities and solvent, recrystallizing in ethanol, and drying) to obtain unsaturated fatty acid sucrose ester;
s2, uniformly mixing the unsaturated fatty acid sucrose ester obtained in the step S1, deionized water and a first part of redox initiator to obtain a first solution for standby, and uniformly mixing acrylic acid, acrylic ester, a second part of redox initiator and deionized water to obtain a second solution for standby;
s3, placing deionized water, an emulsifying agent and vinyl silicone oil into a reaction tank, emulsifying for 1-2 hours at the constant temperature of 80-90 ℃, then cooling to 50-60 ℃, dropwise adding styrene and azo diisoheptonitrile initiator, and stirring for reacting for 2-3 hours;
and S4, raising the temperature of the reaction kettle to 70-80 ℃, respectively dropwise adding the solution I and the solution II obtained in the step S2, and stirring and reacting for 3-4 hours to obtain the high-molecular polymer emulsion.
Further, in step S1, the molar ratio of sucrose to unsaturated fatty acid ethyl ester is 1: (1.2-1.4), wherein the unsaturated fatty acid ethyl ester is ethyl oleate, ethyl ruthenate, ethyl linoleate or ethyl linolenate, the solvent is dimethylformamide, water or propylene glycol, the catalyst is potassium carbonate or potassium hydroxide, and the adding amount of the catalyst is 0.3-0.5%;
in the step S2, the mass ratio of the unsaturated fatty acid sucrose ester to deionized water to the first part of redox initiator is 1: (3-6): (0.006-0.01), the mass ratio of acrylic acid, acrylic ester, a second part of redox initiator and deionized water is 1: (1-2): (0.01-0.02): (4-8); the redox initiator is benzoyl peroxide/N, N-dimethylaniline or benzoyl peroxide/N, N-diethylaniline, and the acrylic ester is methyl acrylate or ethyl acrylate;
in the step S3, the mass ratio of deionized water, an emulsifier and vinyl silicone oil is (7-8): (0.02-0.05): 1, the mol ratio of vinyl silicone oil to styrene is 1: (1-1.1), and the addition amount of the azo-diisoheptonitrile initiator is 0.1-0.3% of the mass of the styrene.
Further, the molar ratio of vinyl silicone oil, sucrose ester of unsaturated fatty acid in solution one, acrylic acid in solution two, acrylic ester in solution two is 1: (0.1-0.2): (0.4-0.7): (0.8-1).
The invention also provides an application of the cleaning and protecting agent in preparing a touch screen, and the specific application method comprises the following steps:
in the touch screen processing technology, firstly, placing the touch screen etched by ITO into a first cleaning tank, then adding cleaning components, soaking for 20-30 min, then taking out, placing into a second cleaning tank, and adding the materials with the mass ratio of 1: uniformly mixing deionized water and absolute ethyl alcohol in the step (1-5), introducing carbon dioxide until no precipitation appears in the system, stopping ventilation, standing for 10-30 min, taking out the touch screen, putting into a soaking tank, adding protective components, soaking for 5-10 min, taking out, baking for 1-2 h at 100-110 ℃, and cooling for 30-50 min, thus entering the next working procedure.
The liquid in the first cleaning tank, the second cleaning tank and the soaking tank is required to completely submerge the touch screen.
Further, the second cleaning tank comprises a tank body and a leakage net (aperture is 0.8-2 cm), the leakage net is horizontally connected with the inside of the tank body through a spring or an elastic belt, a hollow groove is longitudinally formed in the top end of the tank body, a clamping groove is formed in the surface of the leakage net corresponding to the position right below the hollow groove, when the touch screen is cleaned, the top end of the touch screen is arranged in the hollow groove, the bottom end of the touch screen is matched with the clamping groove, and the touch screen is vertically arranged in the tank body.
Meanwhile, a screen can be arranged in the first cleaning tank, and the touch screen is placed on the screen during cleaning, so that the influence of precipitation generated during cleaning on the touch screen can be avoided.
Further, the internal volume of the hollow groove is larger than the volume of the contact part with the touch screen, and the internal surface of the hollow groove is made of elastic materials, so that friction with the touch screen is avoided. The clamping groove is fixedly connected with the touch screen, and the leakage net can do plane reciprocating motion under the drive of the motor and drives the bottom end of the touch screen to reciprocate. When the touch screen is in the vertical position, a gap exists between the touch screen and the inside of the hollow groove, so that the touch screen can swing back and forth within the range of 0-5 ︒.
The invention has the beneficial effects that:
(1) The cleaning protective agent is added after etching to clean, cleaning components are adopted to clean firstly, and then protective components are adopted to perform surface protection treatment after cleaning is finished, so that the cleaning effect can be effectively improved, the occurrence of the phenomenon of white stripes can be prevented, and a protective layer can be formed on the surface of the touch screen to prevent the touch screen from being influenced by external components.
(2) The cleaning component of the cleaning and protecting agent takes sodium silicate as a main component, and the sodium silicate reacts with the strong acid of etching residues to generate silicic acid precipitate/colloid, thereby achieving the purpose of removing the etching residues.
(3) The cleaning component of the invention is also added with adsorption particles to adsorb generated silicic acid precipitate, so that the silicic acid precipitate is separated from a product, the adsorption particles are prepared by grafting modified chitosan through maleic anhydride and unsaturated polyoxyethylene ether, and gel layers are formed on the surfaces of diatomite.
(4) The cleaning and protecting agent has the protecting component of high molecular polymer emulsion, and through introducing organosilicon, acrylic acid, acrylic ester and sucrose ester into the high molecular chain segment, the active long chain high polymer with hydrophilic and hydrophobic branched chains is formed, the film forming performance is ensured, and the protecting layer can be formed on the surface of the product.
(5) When the high-molecular polymer emulsion is prepared, phenyl is also led into the tail end of the organic silicon branched chain, so that the protection and stabilization effects of the high-molecular polymer on the used base material are ensured.
(6) After the cleaning component containing sodium silicate is used, residual sodium silicate is easy to adhere to the surface of the touch screen, the subsequent use of protective components is influenced, and the sodium silicate is difficult to directly remove by water due to high viscosity.
(7) The invention also provides a specific structure of the second cleaning tank when the touch screen is cleaned, so that the touch screen is vertically placed in the tank and swings back and forth along with the leakage net, the carbon dioxide introducing reaction effect is promoted, the generation and sedimentation of sediment are promoted, and the cleaning effect and the treatment speed are further improved.
(8) The cleaning and protecting agent disclosed by the invention is mild in component, environment-friendly, low in content of harmful components in the waste liquid left after the touch screen is cleaned, and beneficial to waste liquid treatment and discharge.
Description of the drawings:
fig. 1 is a schematic structural diagram of a second cleaning tank according to the present invention.
In the figure, 1. A tank body; 2. a drain screen; 3. a hollow groove; 4. a clamping groove; 5. and (3) a spring.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment provides a cleaning and protecting agent, which comprises a cleaning component and a protecting component, wherein the volume ratio is 1:0.6.
the cleaning composition included 3 parts sodium silicate, 5 parts adsorbent particles, 0.6 parts anionic surfactant (fatty acid salt) and 30 parts water.
The preparation method of the adsorption particles comprises the following steps:
(1) Dissolving chitosan (according to 0.8g/100 mL) in acetic acid solution (volume fraction is 2%), adding ceric ammonium nitrate solution (1 mmol/L) under the conditions of 80 ℃ and nitrogen introduction and stirring, then slowly dripping maleic anhydride into the reaction vessel after dissolving maleic anhydride with acetone, stirring for reaction for 2h, removing impurities (regulating pH value to 9 by 10% sodium hydroxide solution to enable precipitation to be complete, filtering, washing by acetone and ethanol, extracting by acetone after vacuum drying at 40 ℃, and vacuum drying again) to obtain maleic anhydride grafted chitosan;
(2) Dropwise adding deionized water, unsaturated polyoxyethylene ether (allyl polyoxyethylene ether) and an initiator (ammonium persulfate, the addition amount of which is 0.08 percent of that of the unsaturated polyoxyethylene ether) into the maleic anhydride grafted chitosan obtained in the step (1), and stirring and reacting for 4 hours; the adding amount of deionized water is 40 times of that of maleic anhydride grafted chitosan;
(3) Soaking diatomite in a sodium polyphosphate water solution (with the concentration of 1mg/mL and the pH value of 7) for 10min, filtering to obtain pretreated diatomite, regulating the pH value of the reaction solution obtained in the step (2) to 5, slowly adding the pretreated diatomite, standing for 30min after the adding, filtering, washing with clear water, and drying to obtain the adsorption particles. The mass ratio of the diatomite to the sodium polyphosphate aqueous solution to the reaction solution obtained in the step (2) is 1:0.8:4.
the molar ratio of chitosan to maleic anhydride to unsaturated polyoxyethylene ether is 1:1.4:1, the addition amount of the ammonium cerium nitrate solution (calculated by ammonium cerium nitrate) is 5 percent of chitosan.
The protective component is high molecular polymer emulsion, and the preparation method comprises the following steps:
s1, dissolving sucrose in a solvent (dimethylformamide), then adding unsaturated fatty acid ethyl ester (ethyl oleate) and a catalyst (potassium carbonate, the addition amount is 0.3 percent), and heating under reduced pressure (110 ℃,1 multiplied by 10) 4 Pa), reacting for 46h (simultaneously distilling off ethanol, removing impurities and solvent, recrystallizing in ethanol, and drying) to obtain unsaturated fatty acid sucrose ester; the mol ratio of sucrose to unsaturated fatty acid ethyl ester is 1:1.2;
s2, according to the mass ratio of 1:3:0.006 uniformly mixing the unsaturated fatty acid sucrose ester obtained in the step S1 with deionized water and a first part of redox initiator (benzoyl peroxide/N, N-dimethylaniline) to obtain a solution I for later use; according to the mass ratio of 1:1:0.01: uniformly mixing acrylic acid, acrylic ester (specifically methyl acrylate), a second part of redox initiator (benzoyl peroxide/N, N-dimethylaniline) and deionized water to obtain a solution II for later use;
s3, according to the mass ratio of 7:0.02:1, placing deionized water, an emulsifying agent and vinyl silicone oil into a reaction tank, emulsifying for 1h at the constant temperature of 80 ℃, then cooling to 50 ℃, dropwise adding styrene and an azo-diisoheptonitrile initiator (the addition amount is 0.1% of the mass of the styrene), and stirring for 2h; the mol ratio of vinyl silicone oil to styrene is 1:1, a step of;
and S4, raising the temperature of the reaction kettle to 70 ℃, respectively dropwise adding the solution I and the solution II obtained in the step S2, and stirring and reacting for 3 hours to obtain the transparent high polymer emulsion.
The molar ratio of vinyl silicone oil to unsaturated fatty acid sucrose ester in the first solution to acrylic acid in the second solution to acrylic ester in the second solution is 1:0.1:0.4:0.8.
the embodiment also provides an application of the cleaning and protecting agent in preparing a touch screen, and the specific method comprises the following steps:
in the touch screen processing technology, firstly, placing the touch screen etched by ITO into a first cleaning tank, then adding cleaning components, soaking for 20min, taking out, placing into a second cleaning tank, and adding the components with the mass ratio of 1:1, evenly mixing deionized water and absolute ethyl alcohol, simultaneously introducing carbon dioxide until no sediment appears in the system, stopping ventilation, standing for 10min, taking out the touch screen, putting into a soaking tank, adding protective components, soaking for 5min, taking out, baking for 1h at 100 ℃, cooling for 30min, and then entering the next working procedure. The liquid in the first cleaning tank, the second cleaning tank and the soaking tank is required to completely submerge the touch screen.
As shown in fig. 1, the second cleaning tank comprises a tank body 1 and a drain net 2, the drain net 2 is horizontally connected with the inside of the tank body 1 through a spring 5, a hollow tank 3 is longitudinally arranged at the top end of the tank body 1, a clamping groove 4 is arranged on the surface of the drain net 2 corresponding to the right lower part of the hollow tank 3, and when the touch screen is cleaned, the top end of the touch screen is arranged in the hollow tank 3, and the bottom end of the touch screen is matched with the clamping groove 4, so that the touch screen is vertically arranged in the tank body 1.
Meanwhile, a screen can be arranged in the first cleaning tank, and the touch screen is placed on the screen during cleaning, so that the influence of precipitation generated during cleaning on the touch screen can be avoided.
The internal volume of the hollow groove 3 is larger than the volume of the contact part with the touch screen, and the inner surface of the hollow groove 3 is made of elastic materials, so that friction with the touch screen is avoided. The clamping groove 4 is fixedly connected with the touch screen, and the leakage net 2 can do plane reciprocating motion under the drive of the motor and drives the bottom end of the touch screen to reciprocate. When the touch screen is in the vertical position, a gap exists between the touch screen and the inside of the hollow groove 3, so that the touch screen can swing back and forth in the range of 0-5 ︒.
Example 2
The embodiment provides a cleaning and protecting agent, which comprises a cleaning component and a protecting component, wherein the volume ratio is 1:0.8.
the cleaning composition included 4 parts sodium silicate, 7.5 parts adsorbent particles, 0.9 parts anionic surfactant (anionic polyacrylamide) and 45 parts water.
The preparation method of the adsorption particles comprises the following steps:
(1) Dissolving chitosan (according to 0.9g/100 mL) in acetic acid solution in a reaction container, adding ceric ammonium nitrate solution under the conditions of 85 ℃, introducing nitrogen and stirring, dissolving maleic anhydride with acetone, slowly dripping into the reaction container, stirring for reaction for 3 hours, and removing impurities to obtain maleic anhydride grafted chitosan;
(2) Dropwise adding deionized water, unsaturated polyoxyethylene ether (isopentenyl polyoxyethylene ether) and an initiator (potassium persulfate, the addition amount of which is 0.14 percent of that of the unsaturated polyoxyethylene ether) into the maleic anhydride grafted chitosan obtained in the step (1), and stirring and reacting for 5 hours; the adding amount of deionized water is 60 times of that of maleic anhydride grafted chitosan;
(3) Soaking diatomite in a sodium polyphosphate water solution (with the concentration of 1.5mg/mL and the pH value of 7.5) for 15min, filtering to obtain pretreated diatomite, regulating the pH value of the reaction solution obtained in the step (2) to 5.5, slowly adding the pretreated diatomite, standing for 45min after the adding, filtering, washing with clear water, and drying to obtain the adsorption particles. The mass ratio of the diatomite to the sodium polyphosphate aqueous solution to the reaction solution obtained in the step (2) is 1:1.4:7.
the molar ratio of chitosan to maleic anhydride to unsaturated polyoxyethylene ether is 1:1.9:1.2, the addition of the ceric ammonium nitrate solution (calculated by ceric ammonium nitrate) is 7.5% of chitosan.
The protective component is high molecular polymer emulsion, and the preparation method comprises the following steps:
s1, dissolving sucrose in a solvent (water), then adding unsaturated fatty acid ethyl ester (ethyl ruthenate) and a catalyst (potassium hydroxide, the addition amount is 0.4%), and reacting for 5 hours under the condition of reduced pressure and heating to obtain unsaturated fatty acid sucrose ester; the mol ratio of sucrose to unsaturated fatty acid ethyl ester is 1:1.3;
s2, according to the mass ratio of 1:4.5:0.008 uniformly mixing the unsaturated fatty acid sucrose ester obtained in the step S1 with deionized water and a first part of redox initiator (benzoyl peroxide/N, N-diethylaniline) to obtain a solution I for standby; according to the mass ratio of 1:1.5:0.015: uniformly mixing acrylic acid, acrylic ester (specifically ethyl acrylate), a second part of redox initiator (benzoyl peroxide/N, N-diethylaniline) and deionized water to obtain a solution II for later use;
s3, according to the mass ratio of 7.5:0.035:1, placing deionized water, an emulsifying agent and vinyl silicone oil into a reaction tank, emulsifying for 1.5 hours at the constant temperature of 85 ℃, then cooling to 55 ℃, dropwise adding styrene and an azo-diisoheptonitrile initiator (the addition amount is 0.2% of the mass of the styrene), and stirring and reacting for 2.5 hours; the mol ratio of vinyl silicone oil to styrene is 1:1.05;
and S4, raising the temperature of the reaction kettle to 75 ℃, respectively dropwise adding the solution I and the solution II obtained in the step S2, and stirring and reacting for 3.5 hours to obtain the transparent high-molecular polymer emulsion.
The molar ratio of vinyl silicone oil to unsaturated fatty acid sucrose ester in the first solution to acrylic acid in the second solution to acrylic ester in the second solution is 1:0.15:0.55:0.9.
the embodiment also provides an application of the cleaning and protecting agent in preparing a touch screen, and the specific method comprises the following steps:
in the touch screen processing technology, firstly, placing the touch screen etched by ITO into a first cleaning tank, then adding cleaning components, soaking for 25min, then taking out, placing into a second cleaning tank, and adding the components with the mass ratio of 1:3, evenly mixing deionized water and absolute ethyl alcohol, simultaneously introducing carbon dioxide until no sediment appears in the system, stopping ventilation, standing for 20min, taking out the touch screen, putting into a soaking tank, adding protective components, soaking for 7min, taking out, baking for 1.5h at 105 ℃, cooling for 40min, and entering the next working procedure.
The remainder was the same as in example 1.
Example 3
The embodiment provides a cleaning and protecting agent, which comprises a cleaning component and a protecting component, wherein the volume ratio is 1:1.
the cleaning composition comprises 5 parts of sodium silicate, 10 parts of adsorption particles, 1.2 parts of anionic surfactant (alkyl alcohol polyoxyethylene ether) and 60 parts of water.
The preparation method of the adsorption particles comprises the following steps:
(1) Dissolving chitosan (1 g/100 mL) in acetic acid solution in a reaction container, adding ammonium ceric nitrate solution under the conditions of 90 ℃ and nitrogen introduction and stirring, dissolving maleic anhydride with acetone, slowly dripping into the reaction container, stirring for reaction for 4 hours, and removing impurities to obtain maleic anhydride grafted chitosan;
(2) Dropwise adding deionized water, unsaturated polyoxyethylene ether (methyl alkenyl polyoxyethylene ether) and an initiator (sodium persulfate, the addition amount of which is 0.2 percent of that of the unsaturated polyoxyethylene ether) into the maleic anhydride grafted chitosan obtained in the step (1), and stirring and reacting for 6 hours; the adding amount of deionized water is 80 times of that of maleic anhydride grafted chitosan;
(3) Soaking diatomite in a sodium polyphosphate water solution (with the concentration of 2mg/mL and the pH value of 8) for 20min, filtering to obtain pretreated diatomite, regulating the pH value of the reaction solution obtained in the step (2) to 6, slowly adding the pretreated diatomite, standing for 60min after the adding, filtering, washing with clear water, and drying to obtain the adsorption particles. The mass ratio of the diatomite to the sodium polyphosphate aqueous solution to the reaction solution obtained in the step (2) is 1:2:10.
the molar ratio of chitosan to maleic anhydride to unsaturated polyoxyethylene ether is 1:2.4:1.5, the addition amount of the ceric ammonium nitrate solution (calculated by ceric ammonium nitrate) is 10 percent of chitosan.
The protective component is high molecular polymer emulsion, and the preparation method comprises the following steps:
s1, dissolving sucrose in a solvent (propylene glycol), then adding unsaturated fatty acid ethyl ester (ethyl linolenate) and a catalyst (potassium carbonate, the addition amount is 0.5%), and reacting for 6 hours under the condition of reduced pressure and heating to obtain unsaturated fatty acid sucrose ester; the mol ratio of sucrose to unsaturated fatty acid ethyl ester is 1:1.4;
s2, according to the mass ratio of 1:6:0.01 uniformly mixing the unsaturated fatty acid sucrose ester obtained in the step S1 with deionized water and a first part of redox initiator (benzoyl peroxide/N, N-dimethylaniline) to obtain a solution I for later use; according to the mass ratio of 1:2:0.02:8, uniformly mixing acrylic acid, acrylic ester (specifically ethyl acrylate), a second part of redox initiator (benzoyl peroxide/N, N-dimethylaniline) and deionized water to obtain a solution II for later use;
s3, according to the mass ratio of 8:0.05:1, placing deionized water, an emulsifying agent and vinyl silicone oil in a reaction tank, emulsifying for 2 hours at the constant temperature of 90 ℃, then cooling to 60 ℃, dropwise adding styrene and an azo-diisoheptonitrile initiator (the addition amount is 0.3% of the mass of the styrene), and stirring for 3 hours; the mol ratio of vinyl silicone oil to styrene is 1:1.1;
and S4, raising the temperature of the reaction kettle to 80 ℃, respectively dropwise adding the solution I and the solution II obtained in the step S2, and stirring and reacting for 4 hours to obtain the transparent high polymer emulsion.
The molar ratio of vinyl silicone oil to unsaturated fatty acid sucrose ester in the first solution to acrylic acid in the second solution to acrylic ester in the second solution is 1:0.2:0.7:1.
the embodiment also provides an application of the cleaning and protecting agent in preparing a touch screen, and the specific method comprises the following steps:
in the touch screen processing technology, firstly, placing the touch screen etched by ITO into a first cleaning tank, then adding cleaning components, soaking for 30min, then taking out, placing into a second cleaning tank, and adding the components with the mass ratio of 1:5, evenly mixing deionized water and absolute ethyl alcohol, simultaneously introducing carbon dioxide until no sediment appears in the system, stopping ventilation, standing for 30min, taking out the touch screen, putting into a soaking tank, adding protective components, soaking for 10min, taking out, baking for 2h at 110 ℃, cooling for 50min, and then entering the next working procedure.
The remainder was the same as in example 1.
Comparative example 1
This comparative example differs from example 1 in that the cleaning protectant contains only cleaning ingredients.
Comparative example 2
This comparative example differs from example 1 in that sodium silicate is not included in the cleaning composition.
Comparative example 3
This comparative example differs from example 1 in that the cleaning composition does not include adsorbent particles therein.
Comparative example 4
This comparative example differs from example 1 in that the adsorption particles are diatomaceous earth.
Comparative example 5
This comparative example is different from example 1 in that the adsorption particles are chitosan gel particles.
Comparative example 6
The difference between this comparative example and example 1 is that the adsorption particles are prepared by forming a gel layer on the diatomite surface from chitosan, and the specific preparation method is as follows:
(1) Dissolving chitosan in acetic acid solution in a reaction container;
(2) Soaking diatomite in a sodium polyphosphate aqueous solution for 10min, filtering to obtain pretreated diatomite, regulating the pH value of the solution obtained in the step (1) to 5, slowly adding the pretreated diatomite, standing for 30min after the adding, filtering, washing with clear water, and drying to obtain adsorption particles.
Comparative example 7
This comparative example is different from example 1 in that the method for preparing the adsorption particles does not include step (2), i.e., chitosan is not grafted with unsaturated polyoxyethylene ether.
Comparative example 8
This comparative example differs from example 1 in that the preparation method of the adsorption particles, step (3), is: and (3) regulating the pH value of the reaction solution obtained in the step (2) to 5, slowly dripping the sodium polyphosphate aqueous solution, standing for 30min after dripping, adding diatomite, uniformly mixing, filtering, washing with clear water, and drying to obtain the adsorption particles.
Comparative example 9
This comparative example differs from example 2 in that the protective component is an acrylate emulsion.
Comparative example 10
The comparative example differs from example 2 in that the high molecular polymer emulsion is an organosilicon modified acrylate emulsion, and the specific preparation method is as follows: and (3) placing deionized water, an emulsifying agent and vinyl silicone oil into a reaction tank, emulsifying for 1.5 hours at the constant temperature of 85 ℃, then cooling to 75 ℃, respectively dripping mixed solutions of the deionized water, the redox initiator and the acrylic ester, and stirring for reacting for 3.5 hours to obtain the high polymer emulsion.
Comparative example 11
The comparative example differs from example 2 in that the starting material for the preparation of the high-molecular polymer emulsion does not contain sucrose esters of unsaturated fatty acids, and in this case, in both steps S2 and S4, no solution I is contained.
Comparative example 12
The comparative example differs from example 2 in that the starting material for the preparation of the high-molecular polymer emulsion does not contain sucrose, in this case step S1, and in that the solution one of step S2 contains ethyl unsaturated fatty acid, deionized water and a first part of redox initiator.
Comparative example 13
This comparative example differs from example 2 in that the preparation methods S2, S3, S4 of the high molecular polymer emulsion are combined as: and (3) placing deionized water, an emulsifying agent and vinyl silicone oil into a reaction tank, emulsifying for 1.5 hours at the constant temperature of 85 ℃, then cooling to 75 ℃, respectively dropwise adding a mixed solution of deionized water, a redox initiator, unsaturated fatty acid sucrose ester, acrylic acid and acrylic ester and a mixed solution of styrene and azo-diisoheptonitrile initiator, and stirring and reacting for 3.5 hours to obtain the high polymer emulsion.
Comparative example 14
The comparative example differs from example 2 in that the preparation raw material of the high molecular polymer emulsion does not include styrene, and in this case, step S3 is: deionized water, an emulsifying agent and vinyl silicone oil are placed in a reaction tank, and are emulsified for 1.5 hours at the constant temperature of 85 ℃.
Comparative example 15
The comparative example differs from example 2 in that the preparation method of the high molecular polymer emulsion step S3 is: deionized water, an emulsifying agent and vinyl silicone oil are placed in a reaction tank, and are emulsified for 1.5 hours at the constant temperature of 85 ℃; the step S4 is as follows: and (3) raising the temperature of the reaction kettle to 75 ℃, respectively dropwise adding the solution I and the solution II obtained in the step S2 and the mixed solution of styrene and azodiisoheptonitrile initiator, and stirring and reacting for 3.5h to obtain the high polymer emulsion.
Comparative example 16
The difference between this comparative example and example 3 is that the specific application method of the cleaning protectant in the preparation of touch screen is: in the touch screen processing technology, firstly, placing the touch screen etched by ITO into a first cleaning tank, then adding cleaning components, soaking for 30min, taking out, placing into a soaking tank, adding protective components, soaking for 10min, taking out, baking for 2h at 110 ℃, then cooling for 50min, and then entering the next working procedure.
Comparative example 17
The difference between this comparative example and example 3 is that the specific application method of the cleaning protectant in the preparation of touch screen is: in the touch screen processing technology, firstly placing the touch screen etched by ITO into a first cleaning tank, then adding cleaning components, soaking for 30min, then taking out, placing into a second cleaning tank, adding deionized water, cleaning for 30min, then taking out the touch screen, placing into a soaking tank, adding protective components, soaking for 10min, taking out, baking at 110 ℃ for 2h, then cooling for 50min, and then entering the next working procedure.
Comparative example 18
This comparative example differs from example 3 in that in the specific application of the cleaning protectant in the preparation of the touch screen, no absolute ethanol was added to the second cleaning tank.
Comparative example 19
The difference between this comparative example and example 3 is that in the specific application method of the cleaning and protecting agent in the preparation of the touch screen, no carbon dioxide is introduced into the second cleaning tank.
Comparative example 20
The difference between this comparative example and example 3 is that in the specific application method of the cleaning protectant in preparing the touch screen, the second cleaning tank and the first cleaning tank have the same structure and are both conventional cleaning tanks.
Specific application of cleaning protective agent prepared by the invention in preparation of touch screen
Cleaning and treating the ITO etched touch screens with the cleaning and protecting agents prepared in examples 1 to 3 and comparative examples 1 to 20 and the commercially available alkaline cleaning agent for touch screens according to the corresponding methods, printing and baking the protective paste, dividing each example/comparative example into 7 groups, each group containing 10 touch screen samples, and respectively placing for 12 hours (first group), 1 day (second group), 3 days (third group), 6 days (fourth group), 10 days (fifth group), 20 days (sixth group) and 30 days (seventh group), tearing off the protective paste, and observing the SiO of the product etched area of each group 2 The layer appeared as a white stripe and the results are shown in Table 1.
TABLE 1
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As can be seen from Table 1, the cleaning and protecting agents prepared in examples 1 to 3 of the present invention were used to clean and treat ITO etched touch screens, and the surface of the obtained touch screen products was free from abnormal phenomenon after being placed at 30, which is significantly better than the effects of the commercially available alkaline cleaning agents for touch screens and the cleaning and protecting agents prepared in comparative examples 1 to 20.
The touch screen obtained in comparative example 1 only contains cleaning components, and white strips appear on the surface after the touch screen is placed for 1 day, so that the cleaning and protecting agent can obviously improve the surface cleaning effect and the stability of the touch screen through the combination of the cleaning components and the protecting components.
Comparative examples 2 to 8 changed the preparation materials and methods of the cleaning components, respectively, comparative examples 9 to 15 changed the preparation materials and methods of the protecting components, respectively, and comparative examples 16 to 20 changed the application methods of the cleaning protecting agents, respectively, with the result that the cleaning effect and stability were reduced to different extents.
The invention has the beneficial effects that: the cleaning and protecting agent provided by the invention can not only effectively improve the cleaning effect and prevent the occurrence of the white streak phenomenon through the matching use of the cleaning component and the protecting component, but also form a protecting layer on the surface of the touch screen, so that the touch screen is free from the influence of external components, the cleaning stability is ensured, and the product quality is improved.
Finally, it should be noted that the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited to the above-mentioned embodiment, but may be modified or some of the technical features thereof may be replaced by other technical solutions described in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A touch screen cleaning and protecting agent, which is characterized in that: comprises a cleaning component and a protecting component, wherein the volume ratio is 1: (0.6-1), the two are used separately, cleaning is carried out by adopting a cleaning component, and then surface protection treatment is carried out by adopting a protection component after the cleaning is finished; the cleaning component comprises 3-5 parts of sodium silicate, 5-10 parts of adsorption particles, 0.6-1.2 parts of anionic surfactant and 30-60 parts of water; the protective component is high molecular polymer emulsion;
the preparation method of the adsorption particles comprises the following steps:
(1) Dissolving chitosan in acetic acid solution in a reaction container, adding ammonium ceric nitrate solution under the conditions of introducing nitrogen and stirring at 80-90 ℃, dissolving maleic anhydride with acetone, slowly dripping into the reaction container, stirring for 2-4 h, and removing impurities to obtain maleic anhydride grafted chitosan;
(2) Dropwise adding a mixed solution of deionized water, unsaturated polyoxyethylene ether and an initiator into the maleic anhydride grafted chitosan obtained in the step (1), and stirring for reacting for 4-6 h;
(3) Soaking diatomite in a sodium polyphosphate aqueous solution for 10-20 min, filtering to obtain pretreated diatomite, regulating the pH value of the reaction solution obtained in the step (2) to 5-6, slowly adding the pretreated diatomite, standing for 30-60 min after adding, filtering, washing with clear water, and drying to obtain adsorption particles;
the molar ratio of chitosan to maleic anhydride to unsaturated polyoxyethylene ether is 1: (1.4-2.4): (1-1.5), wherein the addition amount of the ammonium cerium nitrate solution is 5-10% of chitosan based on ammonium cerium nitrate;
in the step (2), the addition amount of deionized water is 40-80 times of that of maleic anhydride grafted chitosan, and the addition amount of an initiator is 0.08-0.2% of unsaturated polyoxyethylene ether; in the step (3), the concentration of the sodium polyphosphate aqueous solution is 1-2 mg/mL, the pH value is 7-8, and the mass ratio of the diatomite, the sodium polyphosphate aqueous solution and the reaction solution obtained in the step (2) is 1: (0.8-2): (4-10);
the preparation method of the high molecular polymer emulsion comprises the following steps:
s1, dissolving sucrose in a solvent, then adding unsaturated fatty acid ethyl ester and a catalyst, and reacting for 4-6 hours under the condition of reduced pressure and heating to obtain unsaturated fatty acid sucrose ester;
s2, uniformly mixing the unsaturated fatty acid sucrose ester obtained in the step S1, deionized water and a first part of redox initiator to obtain a first solution for standby, and uniformly mixing acrylic acid, acrylic ester, a second part of redox initiator and deionized water to obtain a second solution for standby;
s3, placing deionized water, an emulsifying agent and vinyl silicone oil into a reaction tank, emulsifying for 1-2 hours at the constant temperature of 80-90 ℃, then cooling to 50-60 ℃, dropwise adding styrene and azo diisoheptonitrile initiator, and stirring for reacting for 2-3 hours;
s4, raising the temperature of the reaction kettle to 70-80 ℃, respectively dropwise adding the solution I and the solution II obtained in the step S2, and stirring and reacting for 3-4 hours to obtain high molecular polymer emulsion;
in the step S1, the mol ratio of sucrose to unsaturated fatty acid ethyl ester is 1: (1.2-1.4), wherein the catalyst is potassium carbonate or potassium hydroxide, and the adding amount of the catalyst is 0.3-0.5%; the unsaturated fatty acid ethyl ester is ethyl oleate, ethyl ruthenate, ethyl linoleate or ethyl linolenate;
in the step S2, the mass ratio of the unsaturated fatty acid sucrose ester to deionized water to the first part of redox initiator is 1: (3-6): (0.006-0.01), the mass ratio of acrylic acid, acrylic ester, a second part of redox initiator and deionized water is 1: (1-2): (0.01-0.02): (4-8); the redox initiator is benzoyl peroxide/N, N-dimethylaniline or benzoyl peroxide/N, N-diethylaniline;
in the step S3, the mass ratio of deionized water, an emulsifier and vinyl silicone oil is (7-8): (0.02-0.05): 1, the mol ratio of vinyl silicone oil to styrene is 1: (1-1.1), wherein the addition amount of the azo-diisoheptonitrile initiator is 0.1-0.3% of the mass of styrene;
the molar ratio of vinyl silicone oil to unsaturated fatty acid sucrose ester in the first solution to acrylic acid in the second solution to acrylic ester in the second solution is 1: (0.1-0.2): (0.4-0.7): (0.8-1).
2. Use of a cleaning protectant according to claim 1 for the preparation of a touch screen, characterized in that: the specific application method comprises the following steps:
in the touch screen processing technology, firstly, placing the touch screen etched by ITO into a first cleaning tank, then adding cleaning components, soaking for 20-30 min, then taking out, placing into a second cleaning tank, and adding the materials with the mass ratio of 1: uniformly mixing deionized water and absolute ethyl alcohol in the step (1-5), introducing carbon dioxide until no precipitation occurs in the system, stopping ventilation, standing for 10-30 min, taking out the touch screen, putting into a soaking tank, adding protective components, soaking for 5-10 min, taking out, baking for 1-2 h at 100-110 ℃, and cooling for 30-50 min to enter the next working procedure;
the second cleaning tank comprises a tank body and a leakage net, the leakage net is horizontally connected with the inside of the tank body through a spring or an elastic belt, a hollow tank is longitudinally arranged at the top end of the tank body, a clamping groove is formed in the surface of the leakage net corresponding to the lower part of the hollow tank, and when the touch screen is cleaned, the top end of the touch screen is arranged in the hollow tank, and the bottom end of the touch screen is matched with the clamping groove, so that the touch screen is vertically arranged in the tank body;
the internal volume of hollow groove is greater than the volume of the contact position with the touch-sensitive screen, the internal surface of hollow groove is elastic material, draw-in groove and touch-sensitive screen fixed connection, the screen leakage can do plane reciprocating motion under the motor drive to drive the bottom reciprocating motion of touch-sensitive screen.
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